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Re: [AVR-Chat] STK500 ISP failure

2005-02-15 by Russell Shaw

Mark Nowell wrote:
>>If the xtal in/out pins are VCC/2, then the xtal should be oscillating.
>>
> 
> I appear to have ~0.2V on both xtal pins, so not VCC/2 (5V VCC).
> 
> Mark

Then the xtal isn't the problem.

Make sure none of the programming pins or the reset pin are being
loaded by other components on the pcb. That includes things like
capacitors connected to the reset pin.

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